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    SubjectRe: [PATCH v3][RESEND] Check for immutable/append flag in fallocate path
    On Wed, Mar 09, 2011 at 08:42:25PM +0100, Marco Stornelli wrote:
    > Il 05/03/2011 11:10, Marco Stornelli ha scritto:
    > > From: Marco Stornelli <marco.stornelli@gmail.com>
    > >
    > > In the fallocate path the kernel doesn't check for the immutable/append
    > > flag. It's possible to have a race condition in this scenario: an
    > > application open a file in read/write and it does something, meanwhile
    > > root set the immutable flag on the file, the application at that point
    > > can call fallocate with success. In addition, we don't allow to do any
    > > unreserve operation on an append only file but only the reserve one.
    > >
    > > Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
    >
    > Al, can you apply this patch please? I add Greg in cc, because maybe he
    > could be interested about stable tree.

    Please read Documentation/stable_kernel_rules.txt for how to get patches
    into stable kernel releases (hint, emailing me like this is not the way
    to do it...)

    thanks,

    greg k-h


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